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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Redistribution and use in source and binary forms, with or without | 2 // Redistribution and use in source and binary forms, with or without |
| 3 // modification, are permitted provided that the following conditions are | 3 // modification, are permitted provided that the following conditions are |
| 4 // met: | 4 // met: |
| 5 // | 5 // |
| 6 // * Redistributions of source code must retain the above copyright | 6 // * Redistributions of source code must retain the above copyright |
| 7 // notice, this list of conditions and the following disclaimer. | 7 // notice, this list of conditions and the following disclaimer. |
| 8 // * Redistributions in binary form must reproduce the above | 8 // * Redistributions in binary form must reproduce the above |
| 9 // copyright notice, this list of conditions and the following | 9 // copyright notice, this list of conditions and the following |
| 10 // disclaimer in the documentation and/or other materials provided | 10 // disclaimer in the documentation and/or other materials provided |
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| 3720 // a hash table. | 3720 // a hash table. |
| 3721 void ElementRemoved() { | 3721 void ElementRemoved() { |
| 3722 SetNumberOfElements(NumberOfElements() - 1); | 3722 SetNumberOfElements(NumberOfElements() - 1); |
| 3723 SetNumberOfDeletedElements(NumberOfDeletedElements() + 1); | 3723 SetNumberOfDeletedElements(NumberOfDeletedElements() + 1); |
| 3724 } | 3724 } |
| 3725 void ElementsRemoved(int n) { | 3725 void ElementsRemoved(int n) { |
| 3726 SetNumberOfElements(NumberOfElements() - n); | 3726 SetNumberOfElements(NumberOfElements() - n); |
| 3727 SetNumberOfDeletedElements(NumberOfDeletedElements() + n); | 3727 SetNumberOfDeletedElements(NumberOfDeletedElements() + n); |
| 3728 } | 3728 } |
| 3729 | 3729 |
| 3730 // Returns a new HashTable object. Might return Failure. | |
| 3731 // TODO(ishell): this will be eventually replaced by New(). | |
| 3732 MUST_USE_RESULT static MaybeObject* Allocate( | |
| 3733 Heap* heap, | |
| 3734 int at_least_space_for, | |
| 3735 MinimumCapacity capacity_option = USE_DEFAULT_MINIMUM_CAPACITY, | |
| 3736 PretenureFlag pretenure = NOT_TENURED); | |
| 3737 | |
| 3738 // Returns a new HashTable object. | 3730 // Returns a new HashTable object. |
| 3739 MUST_USE_RESULT static Handle<Derived> New( | 3731 MUST_USE_RESULT static Handle<Derived> New( |
| 3740 Isolate* isolate, | 3732 Isolate* isolate, |
| 3741 int at_least_space_for, | 3733 int at_least_space_for, |
| 3742 MinimumCapacity capacity_option = USE_DEFAULT_MINIMUM_CAPACITY, | 3734 MinimumCapacity capacity_option = USE_DEFAULT_MINIMUM_CAPACITY, |
| 3743 PretenureFlag pretenure = NOT_TENURED); | 3735 PretenureFlag pretenure = NOT_TENURED); |
| 3744 | 3736 |
| 3745 // Computes the required capacity for a table holding the given | 3737 // Computes the required capacity for a table holding the given |
| 3746 // number of elements. May be more than HashTable::kMaxCapacity. | 3738 // number of elements. May be more than HashTable::kMaxCapacity. |
| 3747 static int ComputeCapacity(int at_least_space_for); | 3739 static int ComputeCapacity(int at_least_space_for); |
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| 11289 } else { | 11281 } else { |
| 11290 value &= ~(1 << bit_position); | 11282 value &= ~(1 << bit_position); |
| 11291 } | 11283 } |
| 11292 return value; | 11284 return value; |
| 11293 } | 11285 } |
| 11294 }; | 11286 }; |
| 11295 | 11287 |
| 11296 } } // namespace v8::internal | 11288 } } // namespace v8::internal |
| 11297 | 11289 |
| 11298 #endif // V8_OBJECTS_H_ | 11290 #endif // V8_OBJECTS_H_ |
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